197698805512 has 64 divisors (see below), whose sum is σ = 400365866880. Its totient is φ = 90979456512.

The previous prime is 197698805501. The next prime is 197698805519. The reversal of 197698805512 is 215508896791.

It is not an unprimeable number, because it can be changed into a prime (197698805519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64123923 + ... + 64127005.

It is an arithmetic number, because the mean of its divisors is an integer number (6255716670).

Almost surely, 2^197698805512 is an apocalyptic number.

It is an amenable number.

197698805512 is an abundant number, since it is smaller than the sum of its proper divisors (202667061368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

197698805512 is a wasteful number, since it uses less digits than its factorization.

197698805512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4702 (or 4698 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 61.

The spelling of 197698805512 in words is "one hundred ninety-seven billion, six hundred ninety-eight million, eight hundred five thousand, five hundred twelve".